Like everyone else at this point, I voted realistic. That style looks really nice~
But honestly, I think the poll is so unanimous because the "realistic" one is just drawn better. The shapes of the characters' bodies are well defined, and the details are cleaner, too: just look at the stripes on the left character's shirt.
If you're still undecided, just know you could make the "chibi" style work if you drew it similarly: keep the cheeb proportions and the round shapes, but make it more defined.